nie ma

Etymology
. ..

Phrase

 * 1)  to be gone, to not be present, to not exist, there is no
 * 1)  to be gone, to not be present, to not exist, there is no
 * 1)  to be gone, to not be present, to not exist, there is no

Usage notes
is entirely regular.

is only irregular in the present tense, all other forms are a combination of nie and być (appropriately conjugated), as follows: there wasn't → nie było; there won't be → nie będzie; there wouldn't be → nie byłoby.